Ext.define('MyApp.view.role.AuthorityTreeView', {
    extend: 'Ext.tree.Panel',
    xtype: 'authoritytreeview',
    title: '权限树形结构',
    rootVisible: false,
    lines: false,
    useArrows: true,
	viewConfig : {  
	    loadingText : "加载数据..."  
	}, 
	store:'AuthorityTreeStore'
});